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What are the Limitations of Pushdown Optimization?

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Rank T/R cannot be pushed

Transaction control T/R

Sorted aggregation.

Procedure:

1. Design a mapping with filter, rank, and expression T/R.

2. Create a session --> Double click the session select properties tab.

Attribute Value

Pushdown optimization Full 

3. Select the mapping tab --> set reader, writer connection with target load type normal.

4. Click apply --> click ok  --> save the session.

5. Create & start the workflow.

Pushdown Optimization Viewer:-

Double click the session --> Select the mapping tab from the left window --> select pushdown optimization.

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